Article | REF: J3607 V1

Gas purification by the PSA (Pressure Swing Adsorption) process - Design and prospects

Author: Guillaume de SOUZA

Publication date: December 10, 2009

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8. Valve schematic examples

The following examples incorporate parametric numbering (table 7 ), enabling all the operating cases corresponding to the successive adsorption of the various adsorbers present to be represented with a single graph. Thus, for the PSA N 2 , VSA O 2 and PSA H 2 cycles presented here, we use the following tables, whose dimension depends on the number of adsorbers considered:

Passing from line to line, the PLC can then assign to each parameter "a" to "j", the number corresponding to the current phase time.

Example

for a PSA H 2 with 10 adsorbers, at the fourth current...

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